drivers/infiniband/hw/mlx5/cmd.c

   1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
   2 /*
   3  * Copyright (c) 2017-2020, Mellanox Technologies inc. All rights reserved.
   4  */
   5
   6 #include "cmd.h"
   7
   8 int mlx5r_cmd_query_special_mkeys(struct mlx5_ib_dev *dev)
   9 {
  10         u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {};
  11         u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {};
  12         bool is_terminate, is_dump, is_null;
  13         int err;
  14
  15         is_terminate = MLX5_CAP_GEN(dev->mdev, terminate_scatter_list_mkey);
  16         is_dump = MLX5_CAP_GEN(dev->mdev, dump_fill_mkey);
  17         is_null = MLX5_CAP_GEN(dev->mdev, null_mkey);
  18
  19         dev->mkeys.terminate_scatter_list_mkey = MLX5_TERMINATE_SCATTER_LIST_LKEY;
  20         if (!is_terminate && !is_dump && !is_null)
  21                 return 0;
  22
  23         MLX5_SET(query_special_contexts_in, in, opcode,
  24                  MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS);
  25         err = mlx5_cmd_exec_inout(dev->mdev, query_special_contexts, in, out);
  26         if (err)
  27                 return err;
  28
  29         if (is_dump)
  30                 dev->mkeys.dump_fill_mkey = MLX5_GET(query_special_contexts_out,
  31                                                      out, dump_fill_mkey);
  32
  33         if (is_null)
  34                 dev->mkeys.null_mkey = cpu_to_be32(
  35                         MLX5_GET(query_special_contexts_out, out, null_mkey));
  36
  37         if (is_terminate)
  38                 dev->mkeys.terminate_scatter_list_mkey =
  39                         cpu_to_be32(MLX5_GET(query_special_contexts_out, out,
  40                                              terminate_scatter_list_mkey));
  41
  42         return 0;
  43 }
  44
  45 int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point,
  46                                void *out)
  47 {
  48         u32 in[MLX5_ST_SZ_DW(query_cong_params_in)] = {};
  49
  50         MLX5_SET(query_cong_params_in, in, opcode,
  51                  MLX5_CMD_OP_QUERY_CONG_PARAMS);
  52         MLX5_SET(query_cong_params_in, in, cong_protocol, cong_point);
  53
  54         return mlx5_cmd_exec_inout(dev, query_cong_params, in, out);
  55 }
  56
  57 void mlx5_cmd_destroy_tir(struct mlx5_core_dev *dev, u32 tirn, u16 uid)
  58 {
  59         u32 in[MLX5_ST_SZ_DW(destroy_tir_in)] = {};
  60
  61         MLX5_SET(destroy_tir_in, in, opcode, MLX5_CMD_OP_DESTROY_TIR);
  62         MLX5_SET(destroy_tir_in, in, tirn, tirn);
  63         MLX5_SET(destroy_tir_in, in, uid, uid);
  64         mlx5_cmd_exec_in(dev, destroy_tir, in);
  65 }
  66
  67 void mlx5_cmd_destroy_tis(struct mlx5_core_dev *dev, u32 tisn, u16 uid)
  68 {
  69         u32 in[MLX5_ST_SZ_DW(destroy_tis_in)] = {};
  70
  71         MLX5_SET(destroy_tis_in, in, opcode, MLX5_CMD_OP_DESTROY_TIS);
  72         MLX5_SET(destroy_tis_in, in, tisn, tisn);
  73         MLX5_SET(destroy_tis_in, in, uid, uid);
  74         mlx5_cmd_exec_in(dev, destroy_tis, in);
  75 }
  76
  77 int mlx5_cmd_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn, u16 uid)
  78 {
  79         u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)] = {};
  80
  81         MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT);
  82         MLX5_SET(destroy_rqt_in, in, rqtn, rqtn);
  83         MLX5_SET(destroy_rqt_in, in, uid, uid);
  84         return mlx5_cmd_exec_in(dev, destroy_rqt, in);
  85 }
  86
  87 int mlx5_cmd_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn,
  88                                     u16 uid)
  89 {
  90         u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {};
  91         u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {};
  92         int err;
  93
  94         MLX5_SET(alloc_transport_domain_in, in, opcode,
  95                  MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);
  96         MLX5_SET(alloc_transport_domain_in, in, uid, uid);
  97
  98         err = mlx5_cmd_exec_inout(dev, alloc_transport_domain, in, out);
  99         if (!err)
 100                 *tdn = MLX5_GET(alloc_transport_domain_out, out,
 101                                 transport_domain);
 102
 103         return err;
 104 }
 105
 106 void mlx5_cmd_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn,
 107                                        u16 uid)
 108 {
 109         u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)] = {};
 110
 111         MLX5_SET(dealloc_transport_domain_in, in, opcode,
 112                  MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN);
 113         MLX5_SET(dealloc_transport_domain_in, in, uid, uid);
 114         MLX5_SET(dealloc_transport_domain_in, in, transport_domain, tdn);
 115         mlx5_cmd_exec_in(dev, dealloc_transport_domain, in);
 116 }
 117
 118 int mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid)
 119 {
 120         u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {};
 121
 122         MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD);
 123         MLX5_SET(dealloc_pd_in, in, pd, pdn);
 124         MLX5_SET(dealloc_pd_in, in, uid, uid);
 125         return mlx5_cmd_exec_in(dev, dealloc_pd, in);
 126 }
 127
 128 int mlx5_cmd_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
 129                         u32 qpn, u16 uid)
 130 {
 131         u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {};
 132         void *gid;
 133
 134         MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG);
 135         MLX5_SET(attach_to_mcg_in, in, qpn, qpn);
 136         MLX5_SET(attach_to_mcg_in, in, uid, uid);
 137         gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid);
 138         memcpy(gid, mgid, sizeof(*mgid));
 139         return mlx5_cmd_exec_in(dev, attach_to_mcg, in);
 140 }
 141
 142 int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
 143                         u32 qpn, u16 uid)
 144 {
 145         u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {};
 146         void *gid;
 147
 148         MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG);
 149         MLX5_SET(detach_from_mcg_in, in, qpn, qpn);
 150         MLX5_SET(detach_from_mcg_in, in, uid, uid);
 151         gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid);
 152         memcpy(gid, mgid, sizeof(*mgid));
 153         return mlx5_cmd_exec_in(dev, detach_from_mcg, in);
 154 }
 155
 156 int mlx5_cmd_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn, u16 uid)
 157 {
 158         u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {};
 159         u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {};
 160         int err;
 161
 162         MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD);
 163         MLX5_SET(alloc_xrcd_in, in, uid, uid);
 164         err = mlx5_cmd_exec_inout(dev, alloc_xrcd, in, out);
 165         if (!err)
 166                 *xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd);
 167         return err;
 168 }
 169
 170 int mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn, u16 uid)
 171 {
 172         u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {};
 173
 174         MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD);
 175         MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn);
 176         MLX5_SET(dealloc_xrcd_in, in, uid, uid);
 177         return mlx5_cmd_exec_in(dev, dealloc_xrcd, in);
 178 }
 179
 180 int mlx5_cmd_mad_ifc(struct mlx5_ib_dev *dev, const void *inb, void *outb,
 181                      u16 opmod, u8 port)
 182 {
 183         int outlen = MLX5_ST_SZ_BYTES(mad_ifc_out);
 184         int inlen = MLX5_ST_SZ_BYTES(mad_ifc_in);
 185         int err = -ENOMEM;
 186         void *data;
 187         void *resp;
 188         u32 *out;
 189         u32 *in;
 190
 191         in = kzalloc(inlen, GFP_KERNEL);
 192         out = kzalloc(outlen, GFP_KERNEL);
 193         if (!in || !out)
 194                 goto out;
 195
 196         MLX5_SET(mad_ifc_in, in, opcode, MLX5_CMD_OP_MAD_IFC);
 197         MLX5_SET(mad_ifc_in, in, op_mod, opmod);
 198         if (dev->ib_dev.type == RDMA_DEVICE_TYPE_SMI) {
 199                 MLX5_SET(mad_ifc_in, in, plane_index, port);
 200                 MLX5_SET(mad_ifc_in, in, port,
 201                          smi_to_native_portnum(dev, port));
 202         } else {
 203                 MLX5_SET(mad_ifc_in, in, port, port);
 204         }
 205
 206         data = MLX5_ADDR_OF(mad_ifc_in, in, mad);
 207         memcpy(data, inb, MLX5_FLD_SZ_BYTES(mad_ifc_in, mad));
 208
 209         err = mlx5_cmd_exec_inout(dev->mdev, mad_ifc, in, out);
 210         if (err)
 211                 goto out;
 212
 213         resp = MLX5_ADDR_OF(mad_ifc_out, out, response_mad_packet);
 214         memcpy(outb, resp,
 215                MLX5_FLD_SZ_BYTES(mad_ifc_out, response_mad_packet));
 216
 217 out:
 218         kfree(out);
 219         kfree(in);
 220         return err;
 221 }
 222
 223 int mlx5_cmd_uar_alloc(struct mlx5_core_dev *dev, u32 *uarn, u16 uid)
 224 {
 225         u32 out[MLX5_ST_SZ_DW(alloc_uar_out)] = {};
 226         u32 in[MLX5_ST_SZ_DW(alloc_uar_in)] = {};
 227         int err;
 228
 229         MLX5_SET(alloc_uar_in, in, opcode, MLX5_CMD_OP_ALLOC_UAR);
 230         MLX5_SET(alloc_uar_in, in, uid, uid);
 231         err = mlx5_cmd_exec_inout(dev, alloc_uar, in, out);
 232         if (err)
 233                 return err;
 234
 235         *uarn = MLX5_GET(alloc_uar_out, out, uar);
 236         return 0;
 237 }
 238
 239 int mlx5_cmd_uar_dealloc(struct mlx5_core_dev *dev, u32 uarn, u16 uid)
 240 {
 241         u32 in[MLX5_ST_SZ_DW(dealloc_uar_in)] = {};
 242
 243         MLX5_SET(dealloc_uar_in, in, opcode, MLX5_CMD_OP_DEALLOC_UAR);
 244         MLX5_SET(dealloc_uar_in, in, uar, uarn);
 245         MLX5_SET(dealloc_uar_in, in, uid, uid);
 246         return mlx5_cmd_exec_in(dev, dealloc_uar, in);
 247 }
 248
 249 int mlx5_cmd_query_vuid(struct mlx5_core_dev *dev, bool data_direct,
 250                         char *out_vuid)
 251 {
 252         u8 out[MLX5_ST_SZ_BYTES(query_vuid_out) +
 253                 MLX5_ST_SZ_BYTES(array1024_auto)] = {};
 254         u8 in[MLX5_ST_SZ_BYTES(query_vuid_in)] = {};
 255         char *vuid;
 256         int err;
 257
 258         MLX5_SET(query_vuid_in, in, opcode, MLX5_CMD_OPCODE_QUERY_VUID);
 259         MLX5_SET(query_vuid_in, in, vhca_id, MLX5_CAP_GEN(dev, vhca_id));
 260         MLX5_SET(query_vuid_in, in, data_direct, data_direct);
 261         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 262         if (err)
 263                 return err;
 264
 265         vuid = MLX5_ADDR_OF(query_vuid_out, out, vuid);
 266         memcpy(out_vuid, vuid, MLX5_ST_SZ_BYTES(array1024_auto));
 267         return 0;
 268 }